﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NG
{
    interface IRolesHandler
    {
        void addRole(Roles role);
        void deleteRole(Roles role);
        void updateRole(Roles role, Roles newrole);
        LinkedList<Roles> allRoles(string sortedBy, bool desc);
        LinkedList<Roles> allRolesGivenProject(string sortedBy ,bool desc ,Project pro);
    }
}
